28775979

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6703}}^1$

素因数の和:6768

約数の個数: 20

約数和(自身を含む): 43803936

約数和(自身を除く): 15027957

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6703, 20109, 60327, 180981, 355259, 542943, 1065777, 3197331, 9591993, 28775979]

約数ペア:

[(1, 28775979), (3, 9591993), (9, 3197331), (27, 1065777), (53, 542943), (81, 355259), (159, 180981), (477, 60327), (1431, 20109), (4293, 6703)]